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https://issues.apache.org/jira/browse/OPENJPA-2018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Struberg updated OPENJPA-2018:
-----------------------------------
Attachment: OPENJPA-2018-test2.patch
also add a few tests for JPQL to make sure we broke nothing.
Wonder if this did work in the past ...
> Cannot bind String[] to ParameterExpression for path.in(parameter)
> ------------------------------------------------------------------
>
> Key: OPENJPA-2018
> URL: https://issues.apache.org/jira/browse/OPENJPA-2018
> Project: OpenJPA
> Issue Type: Bug
> Components: jpa
> Affects Versions: 2.1.0
> Reporter: Oliver Gierke
> Assignee: Michael Dick
> Labels: binding, criteria_api, jpa
> Attachments: missingpatch.patch, OPENJPA-2018.patch,
> OPENJPA-2018-test2.patch, OPENJPA-2018-test-update.patch,
> OPENJPA-2018-with-array.patch, openjpa-2018.zip
>
>
> Given the following code:
> {code}
> User user = new User("Dave", "Matthews", "f...@bar.de");
> em.persist(user);
> em.flush();
> CriteriaBuilder builder = em.getCriteriaBuilder();
> CriteriaQuery<User> criteria = builder.createQuery(User.class);
> Root<User> root = criteria.from(User.class);
> criteria.where(root.get("firstname").in(builder.parameter(String[].class)));
> TypedQuery<User> query = em.createQuery(criteria);
> for (ParameterExpression parameter : criteria.getParameters()) {
> query.setParameter(parameter, new String[] {"Dave", "Carter"});
> }
> List<User> result = query.getResultList();
> assertThat(result.isEmpty(), is(false));
> {code}
> I get a
> {code}
> <openjpa-2.0.0-r422266:935683 nonfatal user error>
> org.apache.openjpa.persistence.ArgumentException: The specified parameter of
> type "class [Ljava.lang.String;" is not a valid query parameter.
> {code}
> Using {{Collection}} as {{ParameterExpression}} type and binding the
> parameters via {{Arrays.asList(...)}} works fine.
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